UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hjt6t2yb8hwY9JuPg/wZefJct4EWOosdHrirYRHrCT8=' 
WHERE 
  key_id = '542e97f6a11f5d5297ef68d4d3de4ce8bf73338c8ae29a1f33db96f64623defd' 
  AND (
    token = 'Hjt6t2yb8hwY9JuPg/wZefJct4EWOosdHrirYRHrCT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023