UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eMCe/L23W99LtGcXmRp6WoaPmGS/pMwVC3R0xuEJxgE=' 
WHERE 
  key_id = '549d4875105928654c430aef3ffcf9e1b323f4582e5409e87033778ac45de9dc' 
  AND (
    token = 'eMCe/L23W99LtGcXmRp6WoaPmGS/pMwVC3R0xuEJxgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )