UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xj+5G4IuyI3Pb/XbskGrpihW3N17Vzzkge40jPx8B2A=' 
WHERE 
  key_id = '369d60fa2b382f052f6fcb9d49b2d3a8eea3dec3ac33a46bf366b7a1bcd184c7' 
  AND (
    token = 'xj+5G4IuyI3Pb/XbskGrpihW3N17Vzzkge40jPx8B2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044