UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uhJ10l50ztExDJTOJOfqPimmjthL1GM5QEkf0aZotcE=' 
WHERE 
  key_id = '51f01f2da6c83708ed19cad9b7974e19710d058716d31807bd7cc2c6edf59d06' 
  AND (
    token = 'uhJ10l50ztExDJTOJOfqPimmjthL1GM5QEkf0aZotcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )