UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rT/IyiUK+9ps3x3NXQ6K2dCiAOsF3EBdtdG5EE4GgWc=' 
WHERE 
  key_id = 'c6c4e8e1f6493989bd0c971e0d0681c2fa8680fb6eef6146f854b910d8cb7450' 
  AND (
    token = 'rT/IyiUK+9ps3x3NXQ6K2dCiAOsF3EBdtdG5EE4GgWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )