UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RNr920iBHWYhMbtCeW9dUvoBqIKsQmxlWSJrRXihLek=' 
WHERE 
  key_id = 'ea321c17738f445d97f2ddfab618e7ac1aca532d28e3a6184190b1cbf384762f' 
  AND (
    token = 'RNr920iBHWYhMbtCeW9dUvoBqIKsQmxlWSJrRXihLek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )