UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qKYEx4SYHZVAcMrBCTjH4P6IVaavKBKmkFSoliGdcc=' 
WHERE 
  key_id = 'c7a7977f5ced4123c2fe6db43469f15b1d1b2c634b59870b3a22188d8c8e3d50' 
  AND (
    token = '6qKYEx4SYHZVAcMrBCTjH4P6IVaavKBKmkFSoliGdcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )