UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nz7gLupKSInqvh8BrPmI1CiiG1ixfuA5gYuwYNicrKc=' 
WHERE 
  key_id = '15a506eea0bf7a8640d4ad9d6fe67c5bda45fe1e5fac06fbedfe3e4a3541de62' 
  AND (
    token = 'Nz7gLupKSInqvh8BrPmI1CiiG1ixfuA5gYuwYNicrKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00047