UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gu18FvGd1P3ERrGFmXzMl2zlKrqE4ZdvOsVxLIK4WLc=' 
WHERE 
  key_id = '6b968bcd3ae9d0bfa22e4a1a3b1ac1aa5c62a4eb9bc99db1ae6be4d2231042d4' 
  AND (
    token = 'gu18FvGd1P3ERrGFmXzMl2zlKrqE4ZdvOsVxLIK4WLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )