INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7516c3c7661dc2d9e3001ab65f8a2f0f667b4c562fa00f0878054df8814b867d', 
    '7AlnK5VxMjkEepi8JeQ1FATs91gdiBhwYyR1wDwBGKo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)