Decrypt DB fields

[whiteAxe]

Hi there,

 

i got a field wich cointains this: }€š¨a«‘‹€xƒƒ (wich is encrypted)

 

Also i got this as "key" : 962304381

 

Finally got encrypted String: 5431DBADCB7A5E25037F6B2C5977BBE7664D11BF

 

How can i decrypy all fields?? with this example and this info?