UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mCnKtuPzAlhNV2CQy9RGzprSbha0xVuFT2AHqBkTDQ0=' 
WHERE 
  key_id = 'ac6259577b54023b02db262d379b695941161f248eddb192c43779ef2d0389c9' 
  AND (
    token = 'mCnKtuPzAlhNV2CQy9RGzprSbha0xVuFT2AHqBkTDQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )