UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'otAkhRxTysa9Ixlv3JxQVrQpe+f4v1Crf4jkZ7jAMSc=' 
WHERE 
  key_id = 'deba2bc52346729c10c4ab88f083aa08fef2a86299ac123cf7896e59382f2074' 
  AND (
    token = 'otAkhRxTysa9Ixlv3JxQVrQpe+f4v1Crf4jkZ7jAMSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028