Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd327a1bd08072c34f60086dd06b889d4b975fecec5af4e802234d5c8331819d6' 
  AND token = 'jEPqY4SF0bSiGGlTeIFG5Dyf/H8Aqol36+/qGY3oEhQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}