UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aK7/MNXBWynFalypDWE1mkjyDY8XNG8jh4UsORXjm1c=' 
WHERE 
  key_id = '6bd4ab6293eeb08c623429e5b9ed3fa2bdcfe7a38aec2395db9941661cb7e49a' 
  AND (
    token = 'aK7/MNXBWynFalypDWE1mkjyDY8XNG8jh4UsORXjm1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )