UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WGtEoLV2bRQNpqIPW+Imps4zVyBwKSYlPAuUv6gAJTo=' 
WHERE 
  key_id = 'c1341bab4d8fdfd56121ab1158ba7ffd9a817ed4a137e7c966a077ab7928fbe9' 
  AND (
    token = 'WGtEoLV2bRQNpqIPW+Imps4zVyBwKSYlPAuUv6gAJTo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025