UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u2pWLTA+LNFT+KELmZzWgHlXVBcphXD+FWDKUMlYJww=' 
WHERE 
  key_id = '984e809a1888a0eea7080266a92e20e134cf973c581773d0f20323a8f90e3bfb' 
  AND (
    token = 'u2pWLTA+LNFT+KELmZzWgHlXVBcphXD+FWDKUMlYJww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )