UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rLIi3CgjP0q6zgSUH5wXi48q5NNqlkKRkFiOXnVbNXI=' 
WHERE 
  key_id = 'dbce19276f325499b5a2539c128a1c7c5ac8bc0563005d4485573d6338e01905' 
  AND (
    token = 'rLIi3CgjP0q6zgSUH5wXi48q5NNqlkKRkFiOXnVbNXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040