UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HcUUfFGpUFlyYtaftn1Z5kr9Jy+rQCuR5a2zjMR0Gqw=' 
WHERE 
  key_id = '6bfd8e2d4207e2a224013588f39f2e00857d345cf6402ac10c5be352bef74ecf' 
  AND (
    token = 'HcUUfFGpUFlyYtaftn1Z5kr9Jy+rQCuR5a2zjMR0Gqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044