UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7ak5S4hp4prBzDXKTjt+oQ7IZ7fQPeG3Vt9RBBX+54=' 
WHERE 
  key_id = '704bc66e619a133b8f25e6514f8cbc462ca882f325ce555b0a81fd0cd69ed9a5' 
  AND (
    token = 'b7ak5S4hp4prBzDXKTjt+oQ7IZ7fQPeG3Vt9RBBX+54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033