UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w5kpZqIdGsq5/oXcBo98xCwal94xdAQFZJip0WAb3Ss=' 
WHERE 
  key_id = '68300a8c982f937dc743769e2d18a363ab72aadfc199aff6858bc241310d3b43' 
  AND (
    token = 'w5kpZqIdGsq5/oXcBo98xCwal94xdAQFZJip0WAb3Ss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )